Tesla Model S: Battery Chiller and TXV Assembly (Remove and Replace)
Warning: If the 12V power supply is disconnected, do
not attempt to open any doors with door glass in closed position.
Failure to follow this instruction could result in door glass
shatter.
Note: Before disconnecting the 12V power supply,
ensure that the driver's door window is fully open. Failure to
follow this instruction could result in vehicle lockout.
Removal
- Remove the front aero shield (refer to procedure).
- Recover refrigerant from the vehicle (refer to procedure).
- Disconnect 12V power.
- Rear wheel drive (RWD): Refer to
procedure.
- Dual Motor: Refer to procedure.
- Remove the nut that secures the air conditioning pipe to the TXV
(torque 12 Nm). Release the pipe and collect the O-rings. Plug the
pipe and TXV.
Caution: Remove and discard O-rings.
- Disconnect the TXV electrical connector.
- Clamp the coolant hoses to minimize coolant loss.
- Position the tray and release the clips (x2) and coolant hoses
from the TXV.
- Remove the bolts (x4) that secure the battery chiller and TXV
assembly to the subframe and remove the assembly (torque 12 Nm).
InstallationInstallation procedure is the reverse of removal.
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Refill
Caution: Use the specified coolant only. In this manual, refer
to General Information > Capacities, Fluids, and Lubricants >
Fluids.
Remove the coolant reservoir cap (r
Note: Make sure at least 14 L of the specified coolant is
available before beginning this procedure.
Caution: Use the specified coolant only. In this manual, refer
to General Informati
Check & Top-Up
Remove coolant cap from reservoir.
Fill reservoir to correct level.
Reinstall the cap.
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Removal
Remove the hood assembly (refer to procedure).
Mark the installed position of the hinge to the hood.
Remove the nuts (x2 or x3) that secure the LH hinge to the hood
(torque 24 Nm).
Caution: Protect exterior paint work from possible
damage during this pr
Warning: If the vehicle has air suspension, activate "Jack"
mode on the touchscreen before raising and supporting the vehicle.
Removal
Position the vehicle on a lift, but do not raise the vehicle at
this time.
Loosen the front LH lug nuts (torque 175 Nm).
Remove the